🔍 Key Concepts

• EPA Section 608 appliance categories and how Type I is defined • Difference between hermetically sealed small appliances and larger comfort-cooling systems • Pay attention to both construction type (sealed or not) and refrigerant charge limit in the definition

💭 Think About

• Look for the choice that mentions a specific kind of construction and a specific maximum refrigerant charge, not just a vague weight limit. • Ask yourself: Which answer sounds like it is describing a small, factory-sealed unit such as a household fridge or window A/C, rather than all kinds of systems? • Compare the refrigerant charge limits in each option to what you remember from EPA’s exact wording—does it say "less than" a certain number of pounds or give a precise threshold?

✅ Before You Answer

• Verify whether Type I is tied to the phrase "small appliance" and "manufactured and hermetically sealed" in the regulation text. • Confirm the maximum refrigerant charge (in pounds) that EPA uses in the official Type I/small appliance definition. • Eliminate any options that describe broad categories of equipment (e.g., "central air conditioners") or don’t mention hermetically sealed construction.